Twin Power Clutch Kit For Harley FL / FX 1941-1984 Features: These Big Twin clutch kits come with 5 Kevlar friction plates with 6061 T6 aluminum cores These plates have a maximum groove pattern for excellent heat dissipation 4 steel drive plates included Can be run wet or dry Replaces OEM 37930-68 / 37975-41 / 81 Made in the USA